1/* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include "io/FileSystem.h" 18 19#include "androidfw/StringPiece.h" 20#include "utils/FileMap.h" 21 22#include "Source.h" 23#include "io/FileStream.h" 24#include "util/Files.h" 25#include "util/Maybe.h" 26#include "util/Util.h" 27 28using ::android::StringPiece; 29 30namespace aapt { 31namespace io { 32 33RegularFile::RegularFile(const Source& source) : source_(source) {} 34 35std::unique_ptr<IData> RegularFile::OpenAsData() { 36 android::FileMap map; 37 if (Maybe<android::FileMap> map = file::MmapPath(source_.path, nullptr)) { 38 if (map.value().getDataPtr() && map.value().getDataLength() > 0) { 39 return util::make_unique<MmappedData>(std::move(map.value())); 40 } 41 return util::make_unique<EmptyData>(); 42 } 43 return {}; 44} 45 46std::unique_ptr<io::InputStream> RegularFile::OpenInputStream() { 47 return util::make_unique<FileInputStream>(source_.path); 48} 49 50const Source& RegularFile::GetSource() const { 51 return source_; 52} 53 54FileCollectionIterator::FileCollectionIterator(FileCollection* collection) 55 : current_(collection->files_.begin()), end_(collection->files_.end()) {} 56 57bool FileCollectionIterator::HasNext() { 58 return current_ != end_; 59} 60 61IFile* FileCollectionIterator::Next() { 62 IFile* result = current_->second.get(); 63 ++current_; 64 return result; 65} 66 67IFile* FileCollection::InsertFile(const StringPiece& path) { 68 return (files_[path.to_string()] = util::make_unique<RegularFile>(Source(path))).get(); 69} 70 71IFile* FileCollection::FindFile(const StringPiece& path) { 72 auto iter = files_.find(path.to_string()); 73 if (iter != files_.end()) { 74 return iter->second.get(); 75 } 76 return nullptr; 77} 78 79std::unique_ptr<IFileCollectionIterator> FileCollection::Iterator() { 80 return util::make_unique<FileCollectionIterator>(this); 81} 82 83} // namespace io 84} // namespace aapt 85